/**
 * SSR-safe environment detection utilities
 *
 * These utilities help ensure hooks work correctly in both browser and server environments,
 * providing graceful fallbacks for SSR scenarios.
 */
/**
 * Checks if code is running in a browser environment
 * @returns True if window is defined (browser), false otherwise (SSR)
 */
export declare const isBrowser: () => boolean;
/**
 * Checks if code is running in a server environment
 * @returns True if window is undefined (SSR), false otherwise (browser)
 */
export declare const isServer: () => boolean;
/**
 * Checks if DOM APIs are available
 * @returns True if document is defined and accessible
 */
export declare const isDOMAvailable: () => boolean;
/**
 * Checks if Performance API is available
 * @returns True if performance is defined and accessible
 */
export declare const isPerformanceAvailable: () => boolean;
/**
 * Checks if localStorage is available and accessible
 * @returns True if localStorage is available and can be used
 */
export declare const isLocalStorageAvailable: () => boolean;
/**
 * Checks if sessionStorage is available and accessible
 * @returns True if sessionStorage is available and can be used
 */
export declare const isSessionStorageAvailable: () => boolean;
/**
 * Safely gets window object
 * @returns Window object if available, undefined otherwise
 */
export declare const getWindow: () => Window | undefined;
/**
 * Safely gets document object
 * @returns Document object if available, undefined otherwise
 */
export declare const getDocument: () => Document | undefined;
/**
 * No-op function for SSR fallbacks
 */
export declare const noop: () => void;
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